linux-kernel - Re: [Intel-gfx] REGRESSION 3.14 i915 warning & mouse cursor vanishing

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Date:	Tue, 15 Apr 2014 21:43:03 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Steven Noonan <steven@...inklabs.net>
Cc:	Keith Packard <keithp@...thp.com>, David Airlie <airlied@...ux.ie>,
	intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [Intel-gfx] REGRESSION 3.14 i915 warning & mouse cursor vanishing

On Mon, Apr 14, 2014 at 11:56:03AM -0700, Steven Noonan wrote:
> On Mon, Apr 14, 2014 at 11:35:05AM -0700, Keith Packard wrote:
> > Steven Noonan <steven@...inklabs.net> writes:
> > 
> > > Was using my machine normally, then my mouse cursor vanished. After switching
> > > to a VT and back to X11, my cursor came back. But I did notice a nasty trace in
> > > dmesg (below).
> > 
> > I don't think the trace below is related to the cursor disappearing.
> 
> Any idea what the trace is all about then? Seems it has something to do
> with runtime power management (maybe my aggressive kernel command-line
> options are triggering it).

Please test without them. Currently runtime pm should be disabled still on
vlv (since it's incomplete in 3.14). If you've force-enabled that then you
get to keep all pieces ;-)

In general don't set any i915 options if you're not a developer or someone
else who _really_ knows what's going on.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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